Simply connect the USB plug to power source (like computer, power bank or power socket), and enjoy the massage delight in your personalized positions while sitting, sleeping, reading or playing games. An elite in quality and design, your solution to true comfort. Its ergonomic S-curve design with 5 different massage modes offers perfect support to make you relaxed, allowing you to work or play at your peak for long periods of time in optimal comfort. It features a sturdy chrome base with up to 150 degree back recline adjustment and 360 degree swivel, you can lock the position of reclination as you wish. Upholstery crafted from premium PU leather and generous foam paddings ensures optimal durability and easy cleaning.